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Model: NACHI 7302BDB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 15D = 42
B = 13
a = 5.5
da1(min) = 21
da2(min) = 18
Da1(max) = 36
Da2(max) = 38.4
ra(max) = 1
ra1(max) = 0.6
Mass = 0.085
Basic load rating: 21000
Rated static load: 13500
Limit speed（Grease lubrication）: 11000
Limit speed（Oil lubrication）: 16000
